| /kernel/trunk/arch/sparc64/include/context_offset.h |
|---|
| 1,17 → 1,10 |
| /* This file is automatically generated by gencontext.c. */ |
| /* struct context */ |
| #define OFFSET_SP 0x68 |
| #define OFFSET_PC 0x70 |
| #define OFFSET_L0 0x0 |
| #define OFFSET_L1 0x8 |
| #define OFFSET_L2 0x10 |
| #define OFFSET_L3 0x18 |
| #define OFFSET_L4 0x20 |
| #define OFFSET_L5 0x28 |
| #define OFFSET_L6 0x30 |
| #define OFFSET_L7 0x38 |
| #define OFFSET_I1 0x40 |
| #define OFFSET_I2 0x48 |
| #define OFFSET_I3 0x50 |
| #define OFFSET_I4 0x58 |
| #define OFFSET_I5 0x60 |
| #define OFFSET_SP 0x38 |
| #define OFFSET_FP 0x28 |
| #define OFFSET_PC 0x30 |
| #define OFFSET_I1 0x0 |
| #define OFFSET_I2 0x8 |
| #define OFFSET_I3 0x10 |
| #define OFFSET_I4 0x18 |
| #define OFFSET_I5 0x20 |
| /kernel/trunk/arch/sparc64/include/context.h |
|---|
| 29,7 → 29,9 |
| #ifndef __sparc64_CONTEXT_H__ |
| #define __sparc64_CONTEXT_H__ |
| #ifndef __sparc64_STACK_H__ |
| #include <arch/stack.h> |
| #endif |
| #ifndef __sparc64_TYPES_H__ |
| # include <arch/types.h> |
| 47,28 → 49,23 |
| #define context_set(c, _pc, stack, size) \ |
| (c)->pc = ((__address) _pc) - 8; \ |
| (c)->fp = NULL; \ |
| (c)->sp = ((__address) stack) + ALIGN((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA) |
| /* |
| * Only save registers that must be preserved across |
| * function calls. |
| * function calls and that are not saved in caller's |
| * register window. |
| */ |
| struct context { |
| __u64 l0; |
| __u64 l1; |
| __u64 l2; |
| __u64 l3; |
| __u64 l4; |
| __u64 l5; |
| __u64 l6; |
| __u64 l7; |
| __u64 i1; |
| __u64 i2; |
| __u64 i3; |
| __u64 i4; |
| __u64 i5; |
| __address sp; /* %i6 */ |
| __address fp; /* %i6 */ |
| __address pc; /* %i7 */ |
| __address sp; |
| ipl_t ipl; |
| }; |
| /kernel/trunk/arch/sparc64/src/context.S |
|---|
| 35,38 → 35,23 |
| .global context_restore_arch |
| .macro CONTEXT_STORE r |
| stx %l0, [\r + OFFSET_L0] |
| stx %l1, [\r + OFFSET_L1] |
| stx %l2, [\r + OFFSET_L2] |
| stx %l3, [\r + OFFSET_L3] |
| stx %l4, [\r + OFFSET_L4] |
| stx %l5, [\r + OFFSET_L5] |
| stx %l6, [\r + OFFSET_L6] |
| stx %l7, [\r + OFFSET_L7] |
| stx %i1, [\r + OFFSET_I1] |
| stx %i2, [\r + OFFSET_I2] |
| stx %i3, [\r + OFFSET_I3] |
| stx %i4, [\r + OFFSET_I4] |
| stx %i5, [\r + OFFSET_I5] |
| stx %i6, [\r + OFFSET_SP] |
| stx %fp, [\r + OFFSET_FP] |
| stx %i7, [\r + OFFSET_PC] |
| stx %sp, [\r + OFFSET_SP] |
| .endm |
| .macro CONTEXT_LOAD r |
| ldx [\r + OFFSET_L0], %l0 |
| ldx [\r + OFFSET_L1], %l1 |
| ldx [\r + OFFSET_L2], %l2 |
| ldx [\r + OFFSET_L3], %l3 |
| ldx [\r + OFFSET_L4], %l4 |
| ldx [\r + OFFSET_L5], %l5 |
| ldx [\r + OFFSET_L6], %l6 |
| ldx [\r + OFFSET_L7], %l7 |
| ldx [\r + OFFSET_I1], %i1 |
| ldx [\r + OFFSET_I2], %i2 |
| ldx [\r + OFFSET_I3], %i3 |
| ldx [\r + OFFSET_I4], %i4 |
| ldx [\r + OFFSET_I5], %i5 |
| ldx [\r + OFFSET_SP], %i6 |
| ldx [\r + OFFSET_FP], %fp |
| ldx [\r + OFFSET_PC], %i7 |
| ldx [\r + OFFSET_SP], %sp |
| .endm |
| 77,15 → 62,15 |
| CONTEXT_STORE %i0 |
| # context_save returns 1 |
| mov 1, %i0 |
| mov 1, %i0 |
| ret |
| restore %sp, 128, %sp |
| restore %sp, STACK_WINDOW_SAVE_AREA_SIZE, %sp |
| context_restore_arch: |
| save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
| CONTEXT_LOAD %i0 |
| # context_restore returns 0 |
| xor %i0, %i0, %i0 |
| xor %i0, %i0, %i0 |
| ret |
| restore %sp, STACK_WINDOW_SAVE_AREA_SIZE, %sp |
| restore %sp, STACK_WINDOW_SAVE_AREA_SIZE, %sp |